CN101994943A - LED lamp with double-layer heat dissipation shell - Google Patents
LED lamp with double-layer heat dissipation shell Download PDFInfo
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- CN101994943A CN101994943A CN2010105580471A CN201010558047A CN101994943A CN 101994943 A CN101994943 A CN 101994943A CN 2010105580471 A CN2010105580471 A CN 2010105580471A CN 201010558047 A CN201010558047 A CN 201010558047A CN 101994943 A CN101994943 A CN 101994943A
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Abstract
The invention designs a light-emitting diode (LED) lamp with a double-layer heat dissipation shell, which relates to an LED lamp and solves the problem that the conventional LED lamp cannot fully fulfill the heat dissipation function of the shell. The LED lamp comprises the shell and an LED substrate provided with an LED chip, wherein the LED substrate is arranged on the shell. The LED lamp is characterized in that: the shell consists of an inner shell and an outer shell, wherein the outer shell is sleeved outside the inner shell, the bottom surface of the outer shell is tightly attached to the LED substrate, and an air flow passage is formed between the inner shell and the outer shell. The heat emitted by the LED chip is transferred to the outer shell and the inner shell through the LED substrate respectively to realize heat dissipation of the double-layer shell of the lamp, the heat dissipation function of the shell is fully fulfilled, the service life of the LED lamp is prolonged, and popularization and development of the high-power LED lamp are further promoted.
Description
Technical field
The present invention relates to a kind of LED lamp, especially a kind of LED lamp with double-deck radiating shell.
Background technology
LED is not owing to contain numerous advantages such as Toxic matter, environmental protection, photoelectric efficiency height, obtains more and more widely application at lighting field.Along with the development of LED technology, high-power LED lamp grows with each passing day, and high-powered LED lamp is shorter service life because of heat dissipation problem, if can improve the radiating effect of light fixture, can prolong its service life.Show according to the study, about 10 degree of the every reduction of LED Lantern Festival temperature, its life-span will prolong about 1 times.Therefore, how to solve the heat dissipation problem of LED light fixture efficiently, the development of LED light fixture is played crucial effects.And the fin radiator structure is adopted in the heat radiation of existing LED lamp, and fin shape fin volume is big and thick and heavy, and the fin of horizontally set is unfavorable for cross-ventilation, and the radiating effect of housing is not good; If adopt housing and LED substrate to dispel the heat, because of the hidden danger on contacting easily reduces thermal conductance efficient, can not give full play to the heat sinking function of housing between housing and the LED substrate by the mode of connector mediate contacts such as pawl type pin.
Summary of the invention
The objective of the invention is provides a kind of double-deck radiator structure that has in order to solve above-mentioned the deficiencies in the prior art, makes full use of the LED lamp that housing dispels the heat.
In order to achieve the above object, a kind of LED lamp that the present invention is designed with double-deck radiating shell, comprise housing and the LED substrate that is provided with led chip, described LED substrate is located on the housing, it is characterized in that described housing is made up of inner casing and shell, described shell is set in outside the inner casing, and the bottom surface of shell and LED substrate are close to, and are provided with gas channel between described inner casing and the shell.The LED substrate directly contacts with shell surface, improves heat transfer area, is convenient to timely heat radiation; Described housing is double-deck radiator structure, and the centre is provided with gas channel, effectively utilizes the radiating airflow heat radiation; Shell and LED substrate directly are close to, and have saved connectors such as pawl type pin, have avoided because of loose contact or loosening cause the inefficient problem of thermal conductance, and making full use of housing dispels the heat, and promotes the integral heat sink effect of LED lamp, prolongs the service life of LED lamp.
Improve and replenish as the further of said structure, the present invention also comprises any combination of following additional technical feature or these features:
Described shell upper end connects lamp holder by a lamp holder connector, make shell and lamp holder to be connected transitionality good, be convenient to and socket mates, after the gang socket, both be communicated with power supply, play the effect of location again, make things convenient for the use of LED lamp; Described shell is inverted step-like cylinder, connect on the planar annular of cylindrical section and last cylindrical section down and have the air flow inlet that is communicated with gas channel, have air stream outlet on the described lamp holder connector, on shell, be connected, be convenient to installation and removal with other accessories; Gas circulates from the bottom up by setting track in the gas channel, and the LED heat distributes rapider.
Described shell and inner casing are the uncovered cylindrical shell that makes progress, and uncovered structure is convenient to form gas passage, and are convenient to installation and removal.
The bottom surface of described shell and LED substrate are close to, and the upper bottom surface of described shell and the bottom surface of inner casing are close to, and contact area is big and fit tightly, and heat-transfer effect is good.
Described gas channel is the circular passage, is formed between the inwall of the outer wall of inner casing and shell good heat dissipation effect.
One driver is installed in the inner casing by encapsulating.Encapsulating both can position driver, can also be with driver and inner casing insulation.
Be provided with the round plastic tube in the described inner casing, a driver is installed in the described round plastic tube.Reach the effect of location and insulation equally, and convenient disassembly.
Described shell is provided with lampshade, but the light that lampshade softening LED lamp sends; The junction of described shell and LED substrate scribbles heat-conducting medium, and heat-conducting medium can be heat-conducting silicone grease etc., is filled in the slit that both fail to contact, and increases the thermal conductance area, improves heat-transfer effect.
Described inner casing and shell are metal material, and heat transfer rate is fast, thermal conductance efficient height.
Described lamp holder connector is a turbination, and big end is adaptive with the shell upper end, and small end and lamp holder lower end are adaptive, and for assembling is provided convenience, and air stream outlet is arranged on the conical surface, and gas communication is more unobstructed.
A kind of LED lamp that the present invention obtains with double-deck radiating shell, the heat that led chip is distributed dispels the heat via the double Shell that the LED substrate is delivered to shell and inner casing realization light fixture respectively, given full play to the heat sinking function of housing, increase area of dissipation, the while inner casing, the gas channel that forms between shell and the lamp holder connector, good heat dissipation effect, and shell and LED substrate directly are close to, connectors such as pawl type pin have been saved, avoid causing thus the inefficient problem of thermal conductance, thereby improved radiating efficiency, promoted the integral heat sink effect of LED lamp, prolong the service life of LED lamp, thereby further promoted the popularization and the development of high-power LED lamp.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is a blast structural representation of the present invention;
Fig. 3 is another structural representation of the present invention.
Among the figure: 1-lamp holder, 2-lamp holder connector, 3-encapsulating, 4-LED substrate, 5-LED chip, 6-driver, 7-inner casing, 8-shell, 9-lampshade, 10-plastic barrel, 11-gas channel, 12-air flow inlet, 13-air stream outlet.
The specific embodiment
The invention will be further described in conjunction with the accompanying drawings below by embodiment.
As shown in Figure 1 and Figure 2, a kind of LED lamp that present embodiment is described with double-deck radiating shell, comprise housing and the LED substrate 4 that is provided with led chip 5, described LED substrate 4 is located on the housing, the described LED substrate 4 outer lampshades 9 that are arranged with, described housing is made up of inner casing 7 that is metal material and shell 8, and shell 8 is set in outside the inner casing 7 and with LED substrate 4 to be close to.Described shell 8 and inner casing 7 are the uncovered cylindrical shell that makes progress, and inner casing 7 closely cooperates by the face of cylinder that contacts between the two on the one hand with shell 8, connect by screw on the other hand to make inner casing 7 bottom surfaces closely contact with the upper bottom surface of shell 8.LED substrate 4 is close to the bottom surface of shell 8 by a kind of heat-conducting medium.Shell 8, inner casing 7 and LED substrate 4 adopt screw or alternate manner to connect, to guarantee that contact is good between the three.Wherein the heat that distributes of led chip 5 is delivered to shell 8 and inner casing 7 via LED substrate 4 respectively with heat, the gas channel heat radiation that utilizes the double Shell of light fixture to form.One driver 6 is installed in the inner casing 7 by encapsulating 3, and described shell 8 upper ends connect lamp holder 1 by a lamp holder connector 2, and described lamp holder connector 2 is a turbination, and big end is adaptive with shell 8 upper ends, and small end and lamp holder 1 lower end are adaptive.Be provided with annular air-flow path 11 between the inwall of the outer wall of inner casing 7 and shell 8, described shell 8 is inverted step-like cylinder, connect on the plane of a loop of cylindrical section and last cylindrical section down and have the air flow inlet 12 that is communicated with gas channel 11, have air stream outlet 13 on the sidewall of described lamp holder connector 2.
As shown in Figure 3, the present invention can also install described driver 6 by the mode of putting into a round plastic tube 10.So that driver 6 and external insulation.
Main feature of the present invention is: described housing is double-deck radiator structure, has increased area of dissipation; The gas channel 11 that forms between inner casing 7, shell 8 and the connecting piece of lamp cap 2 has increased the airflow radiating function; Shell 8 directly is close to LED substrate 4, the connectors such as pawl type pin have been saved, avoided because of loose contact or the loosening inefficient problem of thermal conductance that causes, taking full advantage of housing dispels the heat, improve hot conduction surface, be convenient to timely heat radiation, promote the whole radiating effect of LED lamp, prolong the service life of LED lamp.
Claims (10)
1. LED lamp with double-deck radiating shell, comprise housing and the LED substrate (4) that is provided with led chip (5), described LED substrate (4) is located on the housing, it is characterized in that described housing is made up of inner casing (7) and shell (8), described shell (8) is set in outside the inner casing (7), the bottom surface of shell (8) and LED substrate (4) are close to, and are provided with gas channel (11) between described inner casing (7) and the shell (8).
2. a kind of LED lamp according to claim 1 with double-deck radiating shell, it is characterized in that described shell (8) upper end connects lamp holder (1) by a lamp holder connector (2), described shell (8) is inverted step-like cylinder, connect on the planar annular of cylindrical section and last cylindrical section down and have the air flow inlet (12) that is communicated with gas channel (11), have air stream outlet (13) on the described lamp holder connector (2).
3. a kind of LED lamp with double-deck radiating shell according to claim 1 and 2 is characterized in that described shell (8) and inner casing (7) are the uncovered cylindrical shell that makes progress.
4. a kind of LED lamp with double-deck radiating shell according to claim 3 is characterized in that the bottom surface of described shell (8) and LED substrate (4) be close to, and the bottom surface of the upper bottom surface of described shell (8) and inner casing (7) is close to.
5. a kind of LED lamp with double-deck radiating shell according to claim 2 is characterized in that described gas channel (11) for the circular passage, is formed between the inwall of the outer wall of inner casing (7) and shell (8).
6. a kind of LED lamp with double-deck radiating shell according to claim 3 is characterized in that a driver (6) is installed in the inner casing (7) by encapsulating (3).
7. a kind of LED lamp with double-deck radiating shell according to claim 3 is characterized in that being provided with in the described inner casing (7) round plastic tube (10), and a driver (6) is installed in the described round plastic tube (10).
8. a kind of LED lamp with double-deck radiating shell according to claim 6 is characterized in that described shell (8) is provided with lampshade (9), and described shell (8) scribbles heat-conducting medium with the junction of LED substrate (4).
9. a kind of LED lamp with double-deck radiating shell according to claim 8 is characterized in that described inner casing (7) and shell (8) are metal material.
10. a kind of LED lamp with double-deck radiating shell according to claim 2 is characterized in that described lamp holder connector (2) is a turbination, and big end is adaptive with shell (8) upper end, and small end and lamp holder (1) lower end is adaptive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105580471A CN101994943A (en) | 2010-11-24 | 2010-11-24 | LED lamp with double-layer heat dissipation shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105580471A CN101994943A (en) | 2010-11-24 | 2010-11-24 | LED lamp with double-layer heat dissipation shell |
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| Publication Number | Publication Date |
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| CN101994943A true CN101994943A (en) | 2011-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010105580471A Pending CN101994943A (en) | 2010-11-24 | 2010-11-24 | LED lamp with double-layer heat dissipation shell |
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| CN (1) | CN101994943A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102434804A (en) * | 2011-12-16 | 2012-05-02 | 广东朗视光电技术有限公司 | LED (Light-emitting Diode) tubing lamp with inner runner radiator |
| CN103234127A (en) * | 2013-04-28 | 2013-08-07 | 王安 | Light-emitting diode (LED) module with heat radiation structure |
| CN103292283A (en) * | 2012-03-01 | 2013-09-11 | 宁翔科技股份有限公司 | Heat dissipation lamp housing and manufacturing method thereof, and lamp structure |
| CN103438410A (en) * | 2013-07-30 | 2013-12-11 | 无锡市爱尔电子有限公司 | LED (Light Emitting Diode) lamp |
| CN104019409A (en) * | 2014-06-27 | 2014-09-03 | 吴堃 | Air channel heat dissipation type LED down lamp |
| CN104019408A (en) * | 2014-06-27 | 2014-09-03 | 吴堃 | Air-duct-radiating-type LED (light-emitting diode) track spot lamp body |
| CN104676544A (en) * | 2013-11-29 | 2015-06-03 | 深圳市海洋王照明工程有限公司 | Heat dissipation shell and LED (light emitting diode) bulb lamp |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201081204Y (en) * | 2007-07-06 | 2008-07-02 | 王鑫炜 | LED lamp with high heat radiation performance |
| CN201526837U (en) * | 2009-09-27 | 2010-07-14 | 沈李豪 | LED bulb with multiple layers of heat dissipation structures |
| CN201547729U (en) * | 2009-11-24 | 2010-08-11 | 东莞市友美电源设备有限公司 | LED bulb cooling structure |
| CN201954290U (en) * | 2010-11-24 | 2011-08-31 | 英飞特光电（杭州）有限公司 | LED lamp with double-layer heat radiation housing |
-
2010
- 2010-11-24 CN CN2010105580471A patent/CN101994943A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201081204Y (en) * | 2007-07-06 | 2008-07-02 | 王鑫炜 | LED lamp with high heat radiation performance |
| CN201526837U (en) * | 2009-09-27 | 2010-07-14 | 沈李豪 | LED bulb with multiple layers of heat dissipation structures |
| CN201547729U (en) * | 2009-11-24 | 2010-08-11 | 东莞市友美电源设备有限公司 | LED bulb cooling structure |
| CN201954290U (en) * | 2010-11-24 | 2011-08-31 | 英飞特光电（杭州）有限公司 | LED lamp with double-layer heat radiation housing |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102434804A (en) * | 2011-12-16 | 2012-05-02 | 广东朗视光电技术有限公司 | LED (Light-emitting Diode) tubing lamp with inner runner radiator |
| CN103292283A (en) * | 2012-03-01 | 2013-09-11 | 宁翔科技股份有限公司 | Heat dissipation lamp housing and manufacturing method thereof, and lamp structure |
| CN103234127A (en) * | 2013-04-28 | 2013-08-07 | 王安 | Light-emitting diode (LED) module with heat radiation structure |
| CN103438410A (en) * | 2013-07-30 | 2013-12-11 | 无锡市爱尔电子有限公司 | LED (Light Emitting Diode) lamp |
| CN104676544A (en) * | 2013-11-29 | 2015-06-03 | 深圳市海洋王照明工程有限公司 | Heat dissipation shell and LED (light emitting diode) bulb lamp |
| CN104676544B (en) * | 2013-11-29 | 2019-07-16 | 深圳市海洋王照明工程有限公司 | A kind of radiating shell and LEDbulb lamp |
| CN104019409A (en) * | 2014-06-27 | 2014-09-03 | 吴堃 | Air channel heat dissipation type LED down lamp |
| CN104019408A (en) * | 2014-06-27 | 2014-09-03 | 吴堃 | Air-duct-radiating-type LED (light-emitting diode) track spot lamp body |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| ASS | Succession or assignment of patent right |
Owner name: ZHEJIANG THINKLUX LIGHTING TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: INVENTRONICS (HANGZHOU), INC. Effective date: 20130415 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20130415 Address after: Hangzhou City, Zhejiang province Binjiang District 310053 shore road 95 2 Building 3 layer Applicant after: Thinklux (Zhejiang) Lighting Technology Co., Ltd. Address before: Hangzhou City, Zhejiang province Binjiang District 310053 shore road 1180 No. 2 building second layer Applicant before: LED ONE (Hangzhou) Co., Ltd. |
|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20110330 |